CONSEQUENCES OF SPENT FUEL POOL ACCIDENT DUE TO LONG TERM BLACK OUT AT VVER-1200

Natural disaster occurred at Japan Fukushima Daiichi NPP in March 2011 showed that combination of natural disasters with a long term black out which is not accepted as a design basis accident till that day could be how dangerous. In this study case, inventory calculation in the spent fuel pool, transmission from inventory to source term and atmospheric dispersion calculation of source term were investigated, in a case of long term black out accident that can occur in the AES 2006 design VVER-1200 type of NPP planned to be built in Turkey